#include <stdio.h>
typedef unsigned char *byte_pointer;
void main()
{int x;
int ival,val;
float fval;
int *pval;
printf("Please input a number:");
scanf("%d",&val);
ival=val,fval=(float)val,*pval=&ival;
show_bytes((byte_pointer) &x,sizeof(int));}
void show_bytes(byte_pointer start,int len){
int i;
for(i=0;i<len;i++)
printf("%.2x",start[i]);
printf("\n");
}
